Analysis
-
max time kernel
152s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/10/2022, 22:45
Static task
static1
Behavioral task
behavioral1
Sample
5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
11 signatures
150 seconds
General
-
Target
5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe
-
Size
108KB
-
MD5
0044cf3fc31056ed4d6612e9caf28820
-
SHA1
732bc4f5719e99d3e0235c06e8a80ac0da8b04a8
-
SHA256
5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093
-
SHA512
d09a8f60ebdbe46f9f5ebfd3f99d7f28032896564c1210aaa8b06b25d62454c51203decf9fae50051387a4ddb85ad66d2459075a25663162eb6766562332356a
-
SSDEEP
1536:iKDbonTUzHsxU25Y9XiAvtzpVCpU1glxePqaNJ57ZESi51dYR3sRaiyvqk9:i+RzHsxUZXiA7x1glxXaf57Dk1du3Rb9
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vuujoav.exe -
Executes dropped EXE 2 IoCs
pid Process 2024 vuujoav.exe 1516 vuujoav.exe -
Loads dropped DLL 2 IoCs
pid Process 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /n" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /t" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /x" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /b" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /j" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /l" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /w" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /d" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /q" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /y" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /a" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /e" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /r" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /s" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /g" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /p" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /y" 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /o" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /c" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /h" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /f" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /m" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /v" vuujoav.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /i" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /u" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /z" vuujoav.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuujoav = "C:\\Users\\Admin\\vuujoav.exe /k" vuujoav.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum vuujoav.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 vuujoav.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf vuujoav.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1476 set thread context of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 2024 set thread context of 1516 2024 vuujoav.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe 1516 vuujoav.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 2024 vuujoav.exe 1516 vuujoav.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 1476 wrote to memory of 600 1476 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 27 PID 600 wrote to memory of 2024 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 28 PID 600 wrote to memory of 2024 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 28 PID 600 wrote to memory of 2024 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 28 PID 600 wrote to memory of 2024 600 5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe 28 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29 PID 2024 wrote to memory of 1516 2024 vuujoav.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe"C:\Users\Admin\AppData\Local\Temp\5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Users\Admin\AppData\Local\Temp\5634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:600 -
C:\Users\Admin\vuujoav.exe"C:\Users\Admin\vuujoav.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\vuujoav.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1516
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
108KB
MD50044cf3fc31056ed4d6612e9caf28820
SHA1732bc4f5719e99d3e0235c06e8a80ac0da8b04a8
SHA2565634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093
SHA512d09a8f60ebdbe46f9f5ebfd3f99d7f28032896564c1210aaa8b06b25d62454c51203decf9fae50051387a4ddb85ad66d2459075a25663162eb6766562332356a
-
Filesize
108KB
MD50044cf3fc31056ed4d6612e9caf28820
SHA1732bc4f5719e99d3e0235c06e8a80ac0da8b04a8
SHA2565634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093
SHA512d09a8f60ebdbe46f9f5ebfd3f99d7f28032896564c1210aaa8b06b25d62454c51203decf9fae50051387a4ddb85ad66d2459075a25663162eb6766562332356a
-
Filesize
108KB
MD50044cf3fc31056ed4d6612e9caf28820
SHA1732bc4f5719e99d3e0235c06e8a80ac0da8b04a8
SHA2565634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093
SHA512d09a8f60ebdbe46f9f5ebfd3f99d7f28032896564c1210aaa8b06b25d62454c51203decf9fae50051387a4ddb85ad66d2459075a25663162eb6766562332356a
-
Filesize
108KB
MD50044cf3fc31056ed4d6612e9caf28820
SHA1732bc4f5719e99d3e0235c06e8a80ac0da8b04a8
SHA2565634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093
SHA512d09a8f60ebdbe46f9f5ebfd3f99d7f28032896564c1210aaa8b06b25d62454c51203decf9fae50051387a4ddb85ad66d2459075a25663162eb6766562332356a
-
Filesize
108KB
MD50044cf3fc31056ed4d6612e9caf28820
SHA1732bc4f5719e99d3e0235c06e8a80ac0da8b04a8
SHA2565634fb3b7715a9cf27b83b62deaf205b34c14b5ee8bb3043bf4278a4884ec093
SHA512d09a8f60ebdbe46f9f5ebfd3f99d7f28032896564c1210aaa8b06b25d62454c51203decf9fae50051387a4ddb85ad66d2459075a25663162eb6766562332356a